CN208266282U - A kind of anode chlorine evolution potential automatic detection device - Google Patents
A kind of anode chlorine evolution potential automatic detection device Download PDFInfo
- Publication number
- CN208266282U CN208266282U CN201820408949.9U CN201820408949U CN208266282U CN 208266282 U CN208266282 U CN 208266282U CN 201820408949 U CN201820408949 U CN 201820408949U CN 208266282 U CN208266282 U CN 208266282U
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- anode
- pool
- plc
- test piece
- electrolytic cell
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Abstract
The utility model discloses a kind of anode chlorine evolution potential automatic detection devices, including H-type electrolytic cell, micropore glass sand plate is provided in the slot channel of H-type electrolytic cell, H-type electrolytic cell is divided into cathode pool and anode pool by micropore glass sand plate, the tested metal anode test piece being fixed on anode guide plate is provided in anode pool, tested metal anode test piece is connected with constant-current dc power supply, and constant-current dc power supply also passes through communication interface and communicates with the input terminal of PLC;The output end of PLC is connected with active station by network interface；Salt bridge is additionally provided in anode pool, salt bridge is connected with the reference electrode communicated with the input terminal of PLC；The auxiliary electrode connecting with constant-current dc power supply is provided in cathode pool, the utility model realizes intelligent detecting function, and easy to operate, automatic detection assay is as a result, process data inquiry etc..Detection efficiency is improved, convenient and efficient, detection process records in real time.Detection accuracy is high, more convenient than the mode of artificial observation record accurate.
Description
Technical field
The utility model relates to the detection devices of water treatment of power plant material lifetime, more particularly relate to a kind of anode analysis chlorine electricity
Position automatic detection device, belongs to electrochemistry experiment technical field.
Background technique
In water treatment of power plant system, electrolytic cell is the core equipment in Electrolyzed sea water chlorination System, and the core of electrolytic cell
Component is electrode plate (anode and cathode), and performance is directly related with bath life, needs the analysis chlorine by examining anode plate
The main component of current potential, reinforcing life and anode and cathode assesses the performance of anode.Therefore preparing chlorine by electrolysis electrode detection equipment is out
Send out the necessary equipment of large capacity electrolytic cell.The detection of reinforcing life is exactly an important detection in preparing chlorine by electrolysis electrode detection
Mesh.
Common detection methods are to detect record test case by laboratory manual detection mode and as a result, operate multiple
Miscellaneous, detection accuracy is low, and detection efficiency is also low.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of easy to operate, detection accuracy and
The all high anode chlorine evolution potential automatic detection device of efficiency.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
A kind of anode chlorine evolution potential automatic detection device, including H-type electrolytic cell are provided in the slot channel of H-type electrolytic cell
H-type electrolytic cell is divided into cathode pool and anode pool by micropore glass sand plate, micropore glass sand plate, and wherein micropore glass sand plate allows
Ion passes through under the electric field, prevents the random diffusion of ion, while also preventing the electrolysate of cathode pool from entering anode pool, causes
Pollution, to influence the measurement of chlorine evolution potential.The tested metal anode test piece being fixed on anode guide plate is provided in anode pool,
Tested metal anode test piece is connected with constant-current dc power supply, and constant-current dc power supply also passes through communication interface and the input terminal of PLC is logical
Letter;Receive given and equipment the start and stop of the given control output signal of PLC；The output end of PLC is connected with behaviour by network interface
It stands, realizes the display control of data acquisition signal；Reaction in the acquisition of PLC combination host computer operating software and processing electrochemistry
Data realize the automatic detection of anode chlorine evolution potential by process control.
Salt bridge is additionally provided in anode pool, salt bridge is connected with the reference electrode communicated with the input terminal of PLC；It is set in cathode pool
It is equipped with the auxiliary electrode connecting with constant-current dc power supply.
Further, PLC acquires the feedback letter of tested metal anode test piece and reference electrode by analogue collection module
Number；It is provided with signal isolator between analogue collection module and signal source, is isolated between unlike signal, reduces signal
Interference and error.
Further, salt bridge is to be set in anode pool and close to the Luggin capillary for being tested metal anode test piece side.
Further, using micropore glass sand plate as central axes, auxiliary electrode and tested metal anode test piece are symmetrical arranged, can
So that current density is evenly distributed and to be tested the Potential distribution of metal anode strip everywhere uniform.
Further, the electrolyte in electrolytic cell is saturated sodium chloride solution.
The utility model increases automatic data collection and the control of PLC relative to traditional chlorine evolution potential detection device
Function, PLC acquire reference potential instantaneous value by analog module and signal isolator, (RS485 can be used by communication interface
Interface) and constant-current dc power source communications, realize the start-up and shut-down control of constant-current dc power supply and the setting of current strength.In addition active station
Configuration software is installed, man-machine interactive operation is realized by editor's configuration function, realizes that chlorine evolution potential measurement control, data are shown in real time
Show and store, as the result is shown and the function such as inquiry of storage inquiry, the real-time tendency of signal data and history curve, historical data
Energy.
The utility model has the beneficial effect that the utility model realizes intelligent detecting function, easy to operate, automatic to examine
Survey measurement result, process data inquiry etc..Detection efficiency is improved, convenient and efficient, detection process records in real time.Detection accuracy
Height, it is more convenient than the mode of artificial observation record accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is reference electrode signal acquisition schematic diagram in the utility model.
Fig. 3 connect circuit diagram with constant-current dc power source communications for PLC in the utility model.
In figure: 1 station, 2 PLC, 3 constant-current dc power supplys, 4 micropore glass sand plates, 5 anode pools, 6 cathode pools, 7
Salt bridge, 8 tested metal anode test pieces, 9 auxiliary electrodes, 10 reference electrodes, 11 communication interfaces.
Specific embodiment
Specific introduce is made to the utility model below in conjunction with the drawings and specific embodiments.
Embodiment 1
The utility model provides a kind of anode chlorine evolution potential automatic detection device, as shown in Figure 1, including H-type electrolytic cell, H
Micropore glass sand plate 4 is provided in the slot channel of type electrolytic cell, H-type electrolytic cell is divided into 6 He of cathode pool by micropore glass sand plate 4
Anode pool 5, wherein micropore glass sand plate 4 allows ion to pass through under the electric field, prevents the random diffusion of ion, while also preventing yin
The electrolysate in pole pond enters anode pool, pollutes, to influence the measurement of chlorine evolution potential.It is provided with and is fixed in anode pool
Tested metal anode test piece 8 on anode guide plate, tested metal anode test piece 8 are connected with constant-current dc power supply 3, constant-current dc electricity
Source 3 is also communicated by communication interface 11 with the input terminal of PLC2;Receive the given and equipment of the given control output signal of PLC2
Start and stop；The output end of PLC is connected with active station 1 by network interface, realizes the display control of data acquisition signal；PLC is combined
Response data in the acquisition of host computer operating software and processing electrochemistry realizes the automatic of anode chlorine evolution potential by process control
Change detection, referring to Fig. 3, wherein TXD is the pin for sending data, and RXD is the pin for receiving data.
Salt bridge 7 is additionally provided in anode pool, salt bridge 7 is connected with the reference electrode communicated with the input terminal of PLC；In cathode pool
It is provided with the auxiliary electrode 9 connecting with constant-current dc power supply 3.PLC acquires tested metal anode examination by analogue collection module
The feedback signal of piece and reference electrode, referring to fig. 2, as it can be seen that being set between analogue collection module and reference electrode signal source in figure
It is equipped with signal isolator, reference potential signal is isolated, reduces signal interference and error.Salt bridge is to be set in anode pool
And the Luggin capillary close to tested metal anode test piece side.Using micropore glass sand plate as central axes, auxiliary electrode and tested
Metal anode test piece is symmetrical arranged, and current density can be made to be evenly distributed and be tested the current potential of metal anode strip everywhere point
Cloth is uniform.Electrolyte in electrolytic cell is saturated sodium chloride solution.
The application method of the utility model is as follows:
Step 1, tested metal anode test piece is fixed on anode guide plate, and installs salt bridge, merging fills sodium chloride
In the anode pool of saturated solution, conducting wire is connected, step 2 is gone to;
Step 2, test piece area is set, PLC calculates setting electric current according to test piece area automatically, passes through communication interface (communication
Interface uses RS485 interface) constant dc current pressure is adjusted, make the corresponding defined current density condition value of the current strength of output
(2000A/ ㎡), goes to step 3;
Step 3, at the beginning of by human-computer interface control PLC, when starting detection, PLC automatically turns on constant-current dc
Power supply, and start timing, after reaction 10min to be electrolysed, the instantaneous minimum of reading potential in 20s behind, for the test piece
Chlorine evolution potential, can be directly displayed in man-machine interface after PLC detects chlorine evolution potential value automatically.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
Technical solution obtained, all falls in the protection scope of the utility model.
Claims (5)
1. a kind of anode chlorine evolution potential automatic detection device, including H-type electrolytic cell, it is characterised in that: the H-type electrolytic cell
Be provided with micropore glass sand plate (4) in slot channel, the micropore glass sand plate (4) by H-type electrolytic cell be divided into cathode pool (6) and
Anode pool (5) is provided with the tested metal anode test piece (8) being fixed on anode guide plate, the tested gold in the anode pool
Belong to anode test piece (8) to be connected with constant-current dc power supply (3), the constant-current dc power supply (3) also passes through communication interface and PLC (2)
Input terminal communication;The output end of the PLC (2) is connected with active station (1) by network interface；
Salt bridge is additionally provided in the anode pool, the salt bridge is connected with the reference electrode communicated with the input terminal of PLC (2)；Institute
State the auxiliary electrode (9) for being provided in cathode pool and connecting with constant-current dc power supply.
2. a kind of anode chlorine evolution potential automatic detection device according to claim 1, it is characterised in that: the PLC(2) it is logical
Cross the feedback signal that analogue collection module acquires tested metal anode test piece and reference electrode；The analogue collection module with
Signal isolator is provided between signal source.
3. a kind of anode chlorine evolution potential automatic detection device according to claim 1, it is characterised in that: the salt bridge is to set
It is placed in the Luggin capillary (7) in anode pool and close to tested metal anode test piece (8) side.
4. a kind of anode chlorine evolution potential automatic detection device according to claim 1, it is characterised in that: with micropore glass sand
Plate is central axes, and the auxiliary electrode (9) and tested metal anode test piece (8) are symmetrical arranged.
5. a kind of anode chlorine evolution potential automatic detection device according to claim 1, it is characterised in that: in the electrolytic cell
Electrolyte be saturated sodium chloride solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408949.9U CN208266282U (en) | 2018-03-26 | 2018-03-26 | A kind of anode chlorine evolution potential automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820408949.9U CN208266282U (en) | 2018-03-26 | 2018-03-26 | A kind of anode chlorine evolution potential automatic detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208266282U true CN208266282U (en) | 2018-12-21 |
Family
ID=64674750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820408949.9U Expired - Fee Related CN208266282U (en) | 2018-03-26 | 2018-03-26 | A kind of anode chlorine evolution potential automatic detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208266282U (en) |
-
2018
- 2018-03-26 CN CN201820408949.9U patent/CN208266282U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |